/Engine/Plugins/NetcodeUnitTest/NetcodeUnitTest/Source/NetcodeUnitTest/Classes/ClientUnitTest.h
As above, except allows 'UnitTestServer' RPC's to be located in an arbitrary class (e.g. if shared between unit tests), specified as the delegate parameter.
Whether or not the pseudo-RPC was sent successfully
template<class TargetClass> bool SendUnitRPCChecked ( [FString](API\Runtime\Core\Containers\FString) RPCName )